Question: When was Reinhard Hoppner the head of government for Saxony-Anhalt?
Paraphrase: During Which period Reinhard Hoppner was the head of Govt for Saxony-Anhalt?.
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q1206 p:P6 ?s . ?s ps:P6 wd:Q78414 . ?s pq:P582 ?value}